{"id":42653,"date":"2026-08-24T15:33:50","date_gmt":"2026-08-24T07:33:50","guid":{"rendered":"https:\/\/www.evb.com\/?p=42653"},"modified":"2026-08-24T15:34:00","modified_gmt":"2026-08-24T07:34:00","slug":"how-many-amps-does-an-ev-charger-use-16a-32a-40a-48a-and-80a-explained","status":"publish","type":"post","link":"https:\/\/www.evb.com\/vi\/how-many-amps-does-an-ev-charger-use-16a-32a-40a-48a-and-80a-explained\/","title":{"rendered":"B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n s\u1eed d\u1ee5ng bao nhi\u00eau ampe? Gi\u1ea3i th\u00edch v\u1ec1 c\u00e1c m\u1ee9c 16A, 32A, 40A, 48A v\u00e0 80A."},"content":{"rendered":"<style>\n.evb-article-wrap{color:#1f1f1f;font-size:17px;line-height:1.8}\n.evb-article-wrap h2{font-size:30px;line-height:1.3;font-weight:800;margin:46px 0 14px;color:#0b2239}\n.evb-article-wrap h3{font-size:22px;line-height:1.4;font-weight:700;margin:28px 0 10px;color:#0b2239}\n.evb-article-wrap p{margin:0 0 18px;color:#444}\n.evb-article-wrap strong{color:#1f1f1f}\n.evb-article-wrap a{color:#185fa5;text-decoration:none}\n.evb-article-wrap a:hover{text-decoration:underline}\n.evb-eeat-line{background:#f5f8fc;border-radius:8px;padding:18px 22px;margin:0 0 28px;color:#7d8792;font-size:15px;line-height:1.8}\n.evb-article-intro{border-left:3px solid #378add;padding-left:18px;margin:0 0 28px;color:#4b4f55;font-size:18px;line-height:1.75}\n.evb-tip{background:#f3f8fe;border-left:3px solid #378add;padding:16px 18px;margin:20px 0 26px;color:#47505a;font-size:15px;line-height:1.75}\n.evb-warning{background:#fff8ec;border-left:3px solid #f2a93b;padding:16px 18px;margin:20px 0 26px;color:#554739;font-size:15px;line-height:1.75}\n.evb-article-wrap ul,.evb-article-wrap ol{margin:0 0 18px 20px;padding:0}\n.evb-article-wrap li{margin:0 0 8px}\n.evb-table-wrap{overflow-x:auto;margin:22px 0 30px}\n.evb-table{width:100%;border-collapse:collapse;font-size:15px}\n.evb-table th{text-align:left;padding:12px 14px;background:#f7f8fa;color:#66707a;font-size:12px;font-weight:700;text-transform:uppercase;border:1px solid #e6e9ee}\n.evb-table td{padding:14px;border:1px solid #e6e9ee;vertical-align:top;color:#46505a}\n.evb-callout{background:#0b2239;color:#fff;border-radius:8px;padding:24px 26px;margin:34px 0}\n.evb-callout p,.evb-callout li{color:#e9f1f8}\n.evb-callout strong{color:#fff}\n.evb-proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 30px}\n.evb-proof-card{background:#f7f9fc;border:1px solid #e6edf5;border-radius:8px;padding:18px}\n.evb-proof-card strong{display:block;margin-bottom:8px;color:#0b2239}\n.evb-proof-card p{font-size:15px;line-height:1.65;margin:0}\n.evb-amp-scale{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:24px 0 30px}\n.evb-amp-card{background:#f7f9fc;border:1px solid #e2e9f1;border-top:4px solid #1b75bc;border-radius:8px;padding:18px 13px;text-align:center}\n.evb-amp-card strong{display:block;color:#0b2239;font-size:23px;margin-bottom:4px}\n.evb-amp-card span{display:block;color:#6c7784;font-size:13px;line-height:1.5}\n.evb-formula{background:#f7f9fc;border:1px solid #e2e9f1;border-radius:8px;padding:20px 24px;margin:22px 0 28px}\n.evb-formula strong{display:block;color:#0b2239;font-size:19px;margin-bottom:8px}\n.evb-checklist{background:#f7f9fc;border:1px solid #e8edf3;border-radius:8px;padding:20px 24px;margin:24px 0 30px}\n.evb-figure{max-width:960px;margin:28px auto 34px}\n.evb-figure.evb-figure-medium{max-width:820px}\n.evb-figure.evb-figure-small{max-width:680px}\n.evb-figure img{width:100%;height:auto;border-radius:8px;display:block}\n.evb-figure figcaption{font-size:13px;color:#7f8790;margin-top:8px;line-height:1.6}\n.evb-faq{border-top:1px solid #e6e9ee;padding-top:18px}\n.evb-faq h3{margin-top:24px}\n.evb-sources li{font-size:15px;color:#59636e}\n@media(max-width:900px){.evb-proof-grid{grid-template-columns:1fr}.evb-amp-scale{grid-template-columns:1fr 1fr}}\n@media(max-width:768px){.evb-article-wrap{font-size:16px}.evb-article-wrap h2{font-size:25px}.evb-article-wrap h3{font-size:20px}.evb-table{font-size:14px}.evb-amp-scale{grid-template-columns:1fr}}\n<\/style>\n\n<div class=\"evb-article-wrap\">\n  <div class=\"evb-eeat-line\">EVB.COM \u00b7 T\u00e1c gi\u1ea3: Nh\u00f3m Gi\u1ea3i ph\u00e1p S\u1ea1c EVB \u00b7 \u0110\u00e1nh gi\u00e1 k\u1ef9 thu\u1eadt: Nh\u00f3m K\u1ef9 thu\u1eadt S\u1ea1c D\u00e2n d\u1ee5ng EVB \u00b7 C\u1eadp nh\u1eadt th\u00e1ng 8 n\u0103m 2026 \u00b7 Th\u1eddi gian \u0111\u1ecdc: 17 ph\u00fat \u00b7 C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n \u00b7 S\u1ea1c t\u1ea1i nh\u00e0 \u00b7 C\u1ea5p \u0111\u1ed9 2 \u00b7 Ch\u1ebf \u0111\u1ed9 3<\/div>\n\n  <p class=\"evb-article-intro\">B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n 12A, 16A, 24A, 32A, 40A, 48A, ho\u1eb7c th\u1eadm ch\u00ed 80A, t\u00f9y thu\u1ed9c v\u00e0o qu\u1ed1c gia, ngu\u1ed3n \u0111i\u1ec7n, c\u1ea5u h\u00ecnh b\u1ed9 s\u1ea1c v\u00e0 lo\u1ea1i xe. Con s\u1ed1 cao nh\u1ea5t kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t. D\u00f2ng \u0111i\u1ec7n ph\u00f9 h\u1ee3p l\u00e0 m\u1ee9c c\u00e0i \u0111\u1eb7t th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c, gi\u00fap kh\u00f4i ph\u1ee5c l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng b\u1ea1n th\u01b0\u1eddng s\u1eed d\u1ee5ng tr\u01b0\u1edbc khi c\u1ea7n d\u00f9ng xe tr\u1edf l\u1ea1i.<\/p>\n\n  <p>C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a t\u1ed1c \u0111\u1ed9 s\u1ea1c. \u0110i\u1ec7n \u00e1p v\u00e0 c\u00e1ch b\u1ed1 tr\u00ed pha quy\u1ebft \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng m\u00e0 c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n \u0111\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p, trong khi b\u1ed9 s\u1ea1c t\u00edch h\u1ee3p tr\u00ean xe quy\u1ebft \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111i\u1ec7n xoay chi\u1ec1u m\u00e0 xe c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao b\u1ed9 s\u1ea1c ba pha 16A \u1edf ch\u00e2u \u00c2u c\u00f3 th\u1ec3 cung c\u1ea5p nhi\u1ec1u \u0111i\u1ec7n n\u0103ng h\u01a1n b\u1ed9 s\u1ea1c m\u1ed9t pha 32A. \u0110i\u1ec1u n\u00e0y c\u0169ng gi\u1ea3i th\u00edch t\u1ea1i sao h\u1ed9p s\u1ea1c treo t\u01b0\u1eddng 48A \u1edf B\u1eafc M\u1ef9 c\u00f3 th\u1ec3 ch\u1ec9 s\u1ea1c \u0111\u01b0\u1ee3c m\u1ed9t chi\u1ebfc xe c\u1ee5 th\u1ec3 \u1edf m\u1ee9c 32A.<\/p>\n\n  <div class=\"evb-tip\"><strong>C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn:<\/strong> T\u1ea1i B\u1eafc M\u1ef9, c\u00e1c c\u00e0i \u0111\u1eb7t d\u00f2ng s\u1ea1c c\u1ea5p 2 ph\u1ed5 bi\u1ebfn trong gia \u0111\u00ecnh bao g\u1ed3m 16A, 24A, 32A, 40A v\u00e0 48A tr\u00ean c\u00e1c m\u1ea1ch \u0111i\u1ec7n 208\/240V ph\u00f9 h\u1ee3p. \u1ede ph\u1ea7n l\u1edbn ch\u00e2u \u00c2u, 16A v\u00e0 32A l\u00e0 c\u00e1c \u0111i\u1ec3m tham chi\u1ebfu ph\u1ed5 bi\u1ebfn: 16A ba pha t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 11 kW, trong khi 32A ba pha t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 22 kW tr\u00ean ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c 400V. D\u00f2ng s\u1ea1c th\u1ef1c t\u1ebf b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi b\u1ed9 s\u1ea1c, m\u1ea1ch \u0111i\u1ec7n, xe, c\u00e0i \u0111\u1eb7t qu\u1ea3n l\u00fd t\u1ea3i v\u00e0 c\u00e1c quy \u0111\u1ecbnh \u0111i\u1ec7n \u0111\u1ecba ph\u01b0\u01a1ng.<\/div>\n\n  <div class=\"evb-proof-grid\">\n    <div class=\"evb-proof-card\"><strong>Ampe \u0111o d\u00f2ng \u0111i\u1ec7n<\/strong><p>Ch\u00fang m\u00f4 t\u1ea3 t\u1ed1c \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i k\u00edch th\u01b0\u1edbc pin hay t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c cung c\u1ea5p.<\/p><\/div>\n    <div class=\"evb-proof-card\"><strong>kW l\u00e0 \u0111\u01a1n v\u1ecb \u0111o c\u00f4ng su\u1ea5t.<\/strong><p>C\u00f4ng su\u1ea5t s\u1ea1c ph\u1ee5 thu\u1ed9c v\u00e0o d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p, c\u1ea5u h\u00ecnh pha v\u00e0 h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t.<\/p><\/div>\n    <div class=\"evb-proof-card\"><strong>kWh \u0111o n\u0103ng l\u01b0\u1ee3ng<\/strong><p>\u0110\u00e2y l\u00e0 l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c th\u00eam v\u00e0o pin v\u00e0 l\u00e0 \u0111\u01a1n v\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh ph\u00ed s\u1ea1c.<\/p><\/div>\n  <\/div>\n\n  <h2 id=\"what-amps-mean\">Ampe tr\u00ean b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/h2>\n\n  <p>Ampe, th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft l\u00e0 ampe ho\u1eb7c A, d\u00f9ng \u0111\u1ec3 \u0111o c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n. B\u1ed9 s\u1ea1c \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u1edf m\u1ee9c 32A c\u00f3 th\u1ec3 cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua l\u1edbn h\u01a1n b\u1ed9 s\u1ea1c \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u1edf m\u1ee9c 16A, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 n\u00f3 lu\u00f4n cung c\u1ea5p c\u00f4ng su\u1ea5t s\u1ea1c g\u1ea5p \u0111\u00f4i. \u0110i\u1ec7n \u00e1p v\u00e0 s\u1ed1 pha c\u0169ng r\u1ea5t quan tr\u1ecdng.<\/p>\n\n  <p>B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c cho xe. Trong qu\u00e1 tr\u00ecnh s\u1ea1c AC, b\u1ed9 s\u1ea1c s\u1ebd th\u00f4ng b\u00e1o gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n kh\u1ea3 d\u1ee5ng. Sau \u0111\u00f3, xe s\u1ebd l\u1ea5y \u0111i\u1ec7n n\u0103ng trong gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi b\u1ed9 s\u1ea1c t\u00edch h\u1ee3p v\u00e0 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng hi\u1ec7n t\u1ea1i.<\/p>\n\n  <p>Trong m\u1ed9t d\u1ef1 \u00e1n, c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n b\u1ed1n m\u1ee9c \u0111\u00e1nh gi\u00e1 d\u00f2ng \u0111i\u1ec7n ri\u00eang bi\u1ec7t:<\/p>\n\n  <ul>\n    <li><strong>C\u00f4ng su\u1ea5t \u0111\u1ea7u ra t\u1ed1i \u0111a c\u1ee7a b\u1ed9 s\u1ea1c:<\/strong> D\u00f2ng \u0111i\u1ec7n t\u1ed1i \u0111a m\u00e0 b\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 cung c\u1ea5p theo c\u1ea5u h\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/li>\n    <li><strong>Gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n \u0111\u00e3 c\u1ea5u h\u00ecnh:<\/strong> M\u1ee9c t\u1ed1i \u0111a do nh\u00e0 l\u1eafp \u0111\u1eb7t ho\u1eb7c h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng c\u1ee7a ng\u00f4i nh\u00e0 quy \u0111\u1ecbnh.<\/li>\n    <li><strong>Th\u00f4ng s\u1ed1 m\u1ea1ch \u0111i\u1ec7n:<\/strong> Th\u00f4ng s\u1ed1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 v\u00e0 m\u1ea1ch nh\u00e1nh cung c\u1ea5p \u0111i\u1ec7n cho b\u1ed9 s\u1ea1c.<\/li>\n    <li><strong>Nhu c\u1ea7u v\u1ec1 ph\u01b0\u01a1ng ti\u1ec7n:<\/strong> D\u00f2ng \u0111i\u1ec7n m\u00e0 xe t\u1ef1 ch\u1ecdn \u0111\u1ec3 ti\u00eau th\u1ee5, b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi b\u1ed9 s\u1ea1c t\u00edch h\u1ee3p, tr\u1ea1ng th\u00e1i pin v\u00e0 \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9.<\/li>\n  <\/ul>\n\n  <div class=\"evb-warning\"><strong>Kh\u00f4ng n\u00ean coi c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a c\u1ea7u dao l\u00e0 c\u00f9ng m\u1ed9t con s\u1ed1.<\/strong> Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 v\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo c\u00e1c quy \u0111\u1ecbnh v\u1ec1 \u0111i\u1ec7n hi\u1ec7n h\u00e0nh t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. C\u00f4ng su\u1ea5t \u0111\u1ea7u ra c\u1ee7a b\u1ed9 s\u1ea1c th\u01b0\u1eddng th\u1ea5p h\u01a1n c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u1ea1ch trong c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea3i li\u00ean t\u1ee5c \u1edf B\u1eafc M\u1ef9.<\/div>\n\n  <h2 id=\"amps-to-kw\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n (Ampe) c\u1ee7a b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n sang kW?<\/h2>\n\n  <p>\u0110\u1ec3 \u01b0\u1edbc t\u00ednh \u0111\u01a1n gi\u1ea3n, c\u00f4ng su\u1ea5t \u0111i\u1ec7n xoay chi\u1ec1u m\u1ed9t pha c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n t\u1eeb \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n:<\/p>\n\n  <div class=\"evb-formula\"><strong>C\u00f4ng su\u1ea5t m\u1ed9t pha: kW \u2248 v\u00f4n \u00d7 ampe \/ 1.000<\/strong><p>V\u00ed d\u1ee5: 230V \u00d7 32A \/ 1.000 \u2248 7,4 kW. \u1ede \u0111i\u1ec7n \u00e1p 240V, 32A x\u1ea5p x\u1ec9 7,7 kW.<\/p><\/div>\n\n  <p>\u0110\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u ba pha c\u00e2n b\u1eb1ng, \u0111i\u1ec7n \u00e1p gi\u1eefa c\u00e1c pha v\u00e0 c\u0103n b\u1eadc hai c\u1ee7a ba \u0111\u01b0\u1ee3c bao g\u1ed3m:<\/p>\n\n  <div class=\"evb-formula\"><strong>C\u00f4ng su\u1ea5t ba pha: kW \u2248 1,732 \u00d7 \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi \u00d7 ampe \/ 1.000<\/strong><p>V\u00ed d\u1ee5: 1,732 \u00d7 400V \u00d7 16A \/ 1.000 \u2248 11,1 kW. \u1ede d\u00f2ng \u0111i\u1ec7n 32A, c\u00f9ng m\u1ed9t ngu\u1ed3n \u0111i\u1ec7n ba pha \u0111\u1ecbnh m\u1ee9c c\u00f3 c\u00f4ng su\u1ea5t x\u1ea5p x\u1ec9 22,2 kW.<\/p><\/div>\n\n  <p>\u0110\u00e2y l\u00e0 c\u00e1c \u01b0\u1edbc t\u00ednh l\u1eadp k\u1ebf ho\u1ea1ch mang t\u00ednh danh ngh\u0129a. C\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf \u0111\u1ea7u v\u00e0o v\u00e0 c\u00f4ng su\u1ea5t pin cung c\u1ea5p c\u00f3 th\u1ec3 kh\u00e1c nhau do \u0111i\u1ec7n \u00e1p ngu\u1ed3n, h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t, t\u1ed5n th\u1ea5t chuy\u1ec3n \u0111\u1ed5i, t\u1ed5n th\u1ea5t c\u00e1p, \u0111i\u1ec1u khi\u1ec3n b\u1ed9 s\u1ea1c v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a xe.<\/p>\n\n  <div class=\"evb-table-wrap\"><table class=\"evb-table\">\n    <thead><tr><th>D\u00f2ng \u0111i\u1ec7n v\u00e0 ngu\u1ed3n cung<\/th><th>C\u00f4ng su\u1ea5t AC x\u1ea5p x\u1ec9<\/th><th>M\u00f4 t\u1ea3 chung<\/th><\/tr><\/thead>\n    <tbody>\n      <tr><td><strong>16A \u1edf \u0111i\u1ec7n \u00e1p 230V m\u1ed9t pha<\/strong><\/td><td>3,7 kW<\/td><td>S\u1ea1c t\u1ea1i nh\u00e0 c\u00f4ng su\u1ea5t th\u1ea5p \u1edf ch\u00e2u \u00c2u<\/td><\/tr>\n      <tr><td><strong>32A \u1edf \u0111i\u1ec7n \u00e1p 230V m\u1ed9t pha<\/strong><\/td><td>7,4 kW<\/td><td>Th\u00f4ng s\u1ed1 \u0111\u1ecbnh m\u1ee9c h\u1ed9p \u0111i\u1ec7n m\u1ed9t pha th\u00f4ng d\u1ee5ng<\/td><\/tr>\n      <tr><td><strong>16A \u1edf \u0111i\u1ec7n \u00e1p 400V ba pha<\/strong><\/td><td>11 kW<\/td><td>S\u1ea1c \u0111i\u1ec7n gia \u0111\u00ecnh ba pha th\u00f4ng d\u1ee5ng \u1edf ch\u00e2u \u00c2u<\/td><\/tr>\n      <tr><td><strong>32A \u1edf \u0111i\u1ec7n \u00e1p 400V ba pha<\/strong><\/td><td>22 kW<\/td><td>S\u1ea1c AC ba pha c\u00f4ng su\u1ea5t cao h\u01a1n<\/td><\/tr>\n      <tr><td><strong>32A \u1edf \u0111i\u1ec7n \u00e1p 240V m\u1ed9t pha<\/strong><\/td><td>7,7 kW<\/td><td>K\u1ebft qu\u1ea3 \u0111\u1ea7u ra c\u1ea5p \u0111\u1ed9 2 ph\u1ed5 bi\u1ebfn \u1edf B\u1eafc M\u1ef9<\/td><\/tr>\n      <tr><td><strong>40A \u1edf \u0111i\u1ec7n \u00e1p 240V m\u1ed9t pha<\/strong><\/td><td>9,6 kW<\/td><td>N\u0103ng su\u1ea5t cao h\u01a1n \u1edf B\u1eafc M\u1ef9 C\u1ea5p \u0111\u1ed9 2<\/td><\/tr>\n      <tr><td><strong>48A \u1edf \u0111i\u1ec7n \u00e1p 240V m\u1ed9t pha<\/strong><\/td><td>11,5 kW<\/td><td>C\u1ea5u h\u00ecnh c\u1ea5p \u0111\u1ed9 2 cho gia \u0111\u00ecnh c\u00f4ng su\u1ea5t cao<\/td><\/tr>\n      <tr><td><strong>80A \u1edf 240V m\u1ed9t pha<\/strong><\/td><td>19,2 kW<\/td><td>M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a c\u1ea5p 2 theo ti\u00eau chu\u1ea9n ENERGY STAR hi\u1ec7n h\u00e0nh; kh\u00f4ng ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ed9 gia \u0111\u00ecnh th\u00f4ng th\u01b0\u1eddng.<\/td><\/tr>\n    <\/tbody>\n  <\/table><\/div>\n\n  <p>C\u00e1c v\u00ed d\u1ee5 tr\u00ean so s\u00e1nh c\u00f4ng su\u1ea5t \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o danh ngh\u0129a. Ch\u00fang kh\u00f4ng \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed9t chi\u1ebfc xe c\u1ee5 th\u1ec3 s\u1ebd ch\u1ea5p nh\u1eadn c\u00f4ng su\u1ea5t \u0111\u00e3 n\u00eau.<\/p>\n\n  <h2 id=\"north-america\">C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n \u1edf B\u1eafc M\u1ef9<\/h2>\n\n  <p>Chu\u1ea9n s\u1ea1c c\u1ea5p 1 \u1edf B\u1eafc M\u1ef9 th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111i\u1ec7n \u00e1p 120V. Chu\u1ea9n s\u1ea1c c\u1ea5p 2 th\u01b0\u1eddng s\u1eed d\u1ee5ng 208V ho\u1eb7c 240V. Ti\u00eau chu\u1ea9n ENERGY STAR EVSE c\u1ee7a C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3 (EPA) \u0111\u1ecbnh ngh\u0129a thi\u1ebft b\u1ecb AC c\u1ea5p 2 n\u1eb1m trong ph\u1ea1m vi \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o t\u1eeb 208V \u0111\u1ebfn 240V v\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ea7u ra l\u00ean \u0111\u1ebfn 80A.<\/p>\n\n  <p>Theo Quy chu\u1ea9n \u0110i\u1ec7n Qu\u1ed1c gia Hoa K\u1ef3 (US National Electrical Code), vi\u1ec7c s\u1ea1c xe \u0111i\u1ec7n \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ea3i li\u00ean t\u1ee5c. M\u1ed9t m\u1ed1i quan h\u1ec7 thi\u1ebft k\u1ebf ph\u1ed5 bi\u1ebfn l\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ea7u ra c\u1ee7a b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n b\u1ecb gi\u1edbi h\u1ea1n \u1edf m\u1ee9c 80% c\u1ee7a \u0111\u1ecbnh m\u1ee9c m\u1ea1ch nh\u00e1nh. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c s\u1ef1 k\u1ebft h\u1ee3p quen thu\u1ed9c nh\u01b0 b\u1ed9 s\u1ea1c 32A tr\u00ean m\u1ea1ch 40A v\u00e0 b\u1ed9 s\u1ea1c 48A tr\u00ean m\u1ea1ch 60A.<\/p>\n\n  <div class=\"evb-table-wrap\"><table class=\"evb-table\">\n    <thead><tr><th>\u0110\u1ea7u ra b\u1ed9 s\u1ea1c \u0111\u00e3 c\u1ea5u h\u00ecnh<\/th><th>\u0110i\u1ec7n \u00e1p ti\u00eau chu\u1ea9n 240V<\/th><th>V\u00ed d\u1ee5 v\u1ec1 m\u1ea1ch \u0111i\u1ec7n ph\u1ed5 bi\u1ebfn \u1edf B\u1eafc M\u1ef9<\/th><th>Kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng<\/th><\/tr><\/thead>\n    <tbody>\n      <tr><td><strong>12A<\/strong><\/td><td>2,9 kW<\/td><td>M\u1ea1ch 15A<\/td><td>C\u00f4ng su\u1ea5t \u0111\u1ea7u ra th\u1ea5p h\u01a1n, c\u1ea5p \u0111\u1ed9 2 ho\u1eb7c c\u00f4ng su\u1ea5t \u0111i\u1ec7n h\u1ea1n ch\u1ebf.<\/td><\/tr>\n      <tr><td><strong>16A<\/strong><\/td><td>3,8 kW<\/td><td>M\u1ea1ch 20A<\/td><td>M\u1ee9c \u0111\u1ed9 l\u00e1i xe h\u00e0ng ng\u00e0y v\u1eeba ph\u1ea3i v\u00e0 quy m\u00f4 d\u1ecbch v\u1ee5 nh\u1ecf h\u01a1n<\/td><\/tr>\n      <tr><td><strong>24A<\/strong><\/td><td>5,8 kW<\/td><td>M\u1ea1ch 30A<\/td><td>S\u1ea1c qua \u0111\u00eam \u1edf m\u1ee9c t\u1ea7m trung<\/td><\/tr>\n      <tr><td><strong>32A<\/strong><\/td><td>7,7 kW<\/td><td>M\u1ea1ch 40A<\/td><td>C\u1ea5u h\u00ecnh nh\u00e0 \u1edf th\u00f4ng th\u01b0\u1eddng c\u1ea5p 2<\/td><\/tr>\n      <tr><td><strong>40A<\/strong><\/td><td>9,6 kW<\/td><td>M\u1ea1ch 50A<\/td><td>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng k\u00e8m v\u1edbi s\u1ea1c t\u1ea1i nh\u00e0 c\u00f4ng su\u1ea5t cao d\u1ea1ng c\u1eafm \u0111i\u1ec7n ho\u1eb7c \u0111\u1ea5u d\u00e2y tr\u1ef1c ti\u1ebfp.<\/td><\/tr>\n      <tr><td><strong>48A<\/strong><\/td><td>11,5 kW<\/td><td>M\u1ea1ch 60A<\/td><td>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ea5u n\u1ed1i c\u1ed1 \u0111\u1ecbnh; ch\u1ec9 h\u1eefu \u00edch khi xe c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u1ea7u ra.<\/td><\/tr>\n      <tr><td><strong>80A<\/strong><\/td><td>19,2 kW<\/td><td>M\u1ea1ch 100A<\/td><td>H\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t chuy\u00ean d\u1ee5ng c\u00f4ng su\u1ea5t cao c\u1ea5p \u0111\u1ed9 2 v\u1edbi kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh \u0111\u00e1ng k\u1ec3 t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/td><\/tr>\n    <\/tbody>\n  <\/table><\/div>\n\n  <div class=\"evb-warning\"><strong>B\u1ea3ng n\u00e0y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 mang t\u00ednh gi\u00e1o d\u1ee5c \u1edf B\u1eafc M\u1ef9, kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ecbch tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/strong> Th\u00f4ng s\u1ed1 m\u1ea1ch, d\u00e2y d\u1eabn, hi\u1ec7u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9, c\u1ea7u dao, n\u1ed1i \u0111\u1ea5t, b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng, \u1ed5 c\u1eafm, gi\u1ea5y ph\u00e9p v\u00e0 c\u00e1c y\u00eau c\u1ea7u kh\u00e1c ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi m\u1ed9t chuy\u00ean gia \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n d\u1ef1a tr\u00ean quy \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 c\u1ee7a b\u1ed9 s\u1ea1c.<\/div>\n\n  <p>\u1ede \u0111i\u1ec7n \u00e1p 208V, th\u01b0\u1eddng th\u1ea5y \u1edf m\u1ed9t s\u1ed1 khu chung c\u01b0 v\u00e0 th\u01b0\u01a1ng m\u1ea1i, c\u00f9ng m\u1ed9t d\u00f2ng \u0111i\u1ec7n t\u1ea1o ra c\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n so v\u1edbi \u1edf \u0111i\u1ec7n \u00e1p 240V. B\u1ed9 s\u1ea1c 32A c\u00f3 c\u00f4ng su\u1ea5t x\u1ea5p x\u1ec9 6,7 kW \u1edf 208V thay v\u00ec 7,7 kW \u1edf 240V.<\/p>\n\n  <p>Ng\u01b0\u1eddi mua xe \u0111i\u1ec7n n\u00ean ki\u1ec3m tra c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u1ed5 c\u1eafm v\u00e0 b\u1ed9 s\u1ea1c. C\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u1ed5 c\u1eafm kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c v\u1edbi c\u00f4ng su\u1ea5t t\u1ed1i \u0111a \u0111\u00f3. Xem h\u01b0\u1edbng d\u1eabn c\u1ee7a EVB \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft. <a href=\"https:\/\/www.evb.com\/vi\/nema-plug-types-for-ev-charging\/\">C\u00e1c lo\u1ea1i ph\u00edch c\u1eafm NEMA d\u00f9ng \u0111\u1ec3 s\u1ea1c xe \u0111i\u1ec7n<\/a> V\u00ed d\u1ee5 v\u1ec1 c\u00e1c c\u1eeda h\u00e0ng b\u00e1n h\u00e0ng ph\u00eda cung.<\/p>\n\n  <figure class=\"evb-figure evb-figure-medium\">\n    <img src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/06\/NEMA-Plug-evb-AC-EV-Charger.webp\" alt=\"B\u1ed9 s\u1ea1c AC EVB \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi xe \u0111i\u1ec7n\" loading=\"lazy\" decoding=\"async\">\n    <figcaption>H\u00ecnh \u1ea3nh m\u00f4 ph\u1ecfng \u1ee9ng d\u1ee5ng EVB v\u1ec1 b\u1ed9 s\u1ea1c AC c\u1eafm \u0111i\u1ec7n \u0111ang s\u1eed d\u1ee5ng. \u1ed4 c\u1eafm, m\u1ea1ch \u0111i\u1ec7n, d\u00f2ng \u0111i\u1ec7n c\u1ea5u h\u00ecnh v\u00e0 gi\u1edbi h\u1ea1n s\u1ea1c c\u1ee7a xe ph\u1ea3i kh\u1edbp nhau \u0111\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/figcaption>\n  <\/figure>\n\n  <h2 id=\"europe\">C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n \u1edf ch\u00e2u \u00c2u<\/h2>\n\n  <p>Vi\u1ec7c s\u1ea1c \u0111i\u1ec7n t\u1ea1i nh\u00e0 \u1edf ch\u00e2u \u00c2u th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 s\u1ea1c AC ch\u1ebf \u0111\u1ed9 3 ho\u1eb7c b\u1eb1ng ngu\u1ed3n \u0111i\u1ec7n t\u1eeb h\u1ed9p g\u1eafn t\u01b0\u1eddng. Nhi\u1ec1u h\u1ed9 gia \u0111\u00ecnh s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t pha 230V, trong khi ngu\u1ed3n \u0111i\u1ec7n ba pha 400V c\u0169ng ph\u1ed5 bi\u1ebfn \u1edf m\u1ed9t s\u1ed1 qu\u1ed1c gia v\u00e0 lo\u1ea1i h\u00ecnh b\u1ea5t \u0111\u1ed9ng s\u1ea3n.<\/p>\n\n  <div class=\"evb-table-wrap\"><table class=\"evb-table\">\n    <thead><tr><th>Hi\u1ec7n h\u00e0nh<\/th><th>\u0110i\u1ec7n \u00e1p m\u1ed9t pha 230V<\/th><th>\u0110i\u1ec7n \u00e1p 400V ba pha<\/th><th>\u00dd ngh\u0129a th\u1ef1c ti\u1ec5n<\/th><\/tr><\/thead>\n    <tbody>\n      <tr><td><strong>6A<\/strong><\/td><td>Kho\u1ea3ng 1,4 kW<\/td><td>Kho\u1ea3ng 4,1 kW<\/td><td>Gi\u00e1 tr\u1ecb tham chi\u1ebfu t\u1ed1i thi\u1ec3u th\u01b0\u1eddng d\u00f9ng cho m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb s\u1ea1c AC.<\/td><\/tr>\n      <tr><td><strong>10A<\/strong><\/td><td>Kho\u1ea3ng 2,3 kW<\/td><td>Kho\u1ea3ng 6,9 kW<\/td><td>V\u1eadn h\u00e0nh d\u00f2ng \u0111i\u1ec7n gi\u1ea3m ho\u1eb7c c\u00f4ng su\u1ea5t h\u1ea1n ch\u1ebf<\/td><\/tr>\n      <tr><td><strong>13A<\/strong><\/td><td>Kho\u1ea3ng 3,0 kW<\/td><td>Kho\u1ea3ng 9,0 kW<\/td><td>C\u1ea5u h\u00ecnh trung gian hi\u1ec7n t\u1ea1i<\/td><\/tr>\n      <tr><td><strong>16A<\/strong><\/td><td>Kho\u1ea3ng 3,7 kW<\/td><td>Kho\u1ea3ng 11 kW<\/td><td>\u0110i\u1ec3m s\u1ea1c ba pha th\u00f4ng d\u1ee5ng 11 kW<\/td><\/tr>\n      <tr><td><strong>20A<\/strong><\/td><td>Kho\u1ea3ng 4,6 kW<\/td><td>Kho\u1ea3ng 13,8 kW<\/td><td>D\u00f2ng \u0111i\u1ec7n c\u1ea5u h\u00ecnh trung gian \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/td><\/tr>\n      <tr><td><strong>25A<\/strong><\/td><td>Kho\u1ea3ng 5,8 kW<\/td><td>Kho\u1ea3ng 17,3 kW<\/td><td>D\u00f2ng \u0111i\u1ec7n c\u1ea5u h\u00ecnh trung gian \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/td><\/tr>\n      <tr><td><strong>32A<\/strong><\/td><td>Kho\u1ea3ng 7,4 kW<\/td><td>Kho\u1ea3ng 22 kW<\/td><td>Gi\u00e1 tr\u1ecb tham chi\u1ebfu t\u1ed1i \u0111a th\u00f4ng d\u1ee5ng cho h\u1ed9p \u0111\u1ea5u n\u1ed1i \u0111i\u1ec7n \u00e2m t\u01b0\u1eddng lo\u1ea1i 2 d\u00e2n d\u1ee5ng.<\/td><\/tr>\n    <\/tbody>\n  <\/table><\/div>\n\n  <p>C\u00f9ng m\u1ed9t m\u1ee9c 16A, do \u0111\u00f3 c\u00f4ng su\u1ea5t s\u1ea1c s\u1ebd r\u1ea5t kh\u00e1c nhau gi\u1eefa ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t pha v\u00e0 ba pha. Ng\u01b0\u1eddi mua kh\u00f4ng n\u00ean ch\u1ec9 so s\u00e1nh c\u00e1c h\u1ed9p s\u1ea1c treo t\u01b0\u1eddng c\u1ee7a ch\u00e2u \u00c2u d\u1ef1a tr\u00ean c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n. H\u00e3y x\u00e1c nh\u1eadn \u0111i\u1ec7n \u00e1p, s\u1ed1 pha, c\u00e1ch \u0111\u1ea5u d\u00e2y, d\u00f2ng \u0111i\u1ec7n c\u1ea5u h\u00ecnh tr\u00ean m\u1ed7i pha v\u00e0 c\u00e1c pha s\u1ea1c AC \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 c\u1ee7a xe.<\/p>\n\n  <p>M\u1ed9t chi\u1ebfc xe \u0111i\u1ec7n c\u00f3 b\u1ed9 s\u1ea1c t\u00edch h\u1ee3p m\u1ed9t pha 7,4 kW kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n ba pha 11 kW gi\u1ed1ng nh\u01b0 m\u1ed9t chi\u1ebfc xe \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1ea1c ba pha 11 kW. T\u00f9y thu\u1ed9c v\u00e0o t\u1eebng lo\u1ea1i xe, n\u00f3 c\u00f3 th\u1ec3 ch\u1ec9 s\u1eed d\u1ee5ng \u0111i\u1ec7n t\u1eeb m\u1ed9t pha v\u00e0 s\u1ea1c ch\u1eadm h\u01a1n so v\u1edbi th\u00f4ng s\u1ed1 ghi tr\u00ean h\u1ed9p s\u1ea1c.<\/p>\n\n  <p>C\u00e1c y\u00eau c\u1ea7u qu\u1ed1c gia c\u0169ng kh\u00e1c nhau. Nh\u00e0 \u0111i\u1ec1u h\u00e0nh m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i c\u00f3 th\u1ec3 y\u00eau c\u1ea7u th\u00f4ng b\u00e1o ho\u1eb7c ph\u00ea duy\u1ec7t \u0111\u1ed1i v\u1edbi c\u00f4ng su\u1ea5t c\u1ee5 th\u1ec3, v\u00e0 ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t ph\u1ea3i \u00e1p d\u1ee5ng c\u00e1c quy t\u1eafc qu\u1ed1c gia v\u1ec1 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7. H\u01b0\u1edbng d\u1eabn c\u1ee7a EVB v\u1ec1... <a href=\"https:\/\/www.evb.com\/vi\/1-phase-and-3-phase-difference\/\">s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111i\u1ec7n m\u1ed9t pha v\u00e0 \u0111i\u1ec7n ba pha<\/a> Cung c\u1ea5p th\u00eam th\u00f4ng tin n\u1ec1n.<\/p>\n\n  <h2 id=\"how-many-amps-needed\">B\u1ea1n th\u1ef1c s\u1ef1 c\u1ea7n bao nhi\u00eau ampe?<\/h2>\n\n  <p>H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng l\u01b0\u1ee3ng \u0111i\u1ec7n ti\u00eau th\u1ee5 h\u00e0ng ng\u00e0y, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00f4ng su\u1ea5t t\u1ed1i \u0111a c\u1ee7a b\u1ed9 s\u1ea1c. \u01af\u1edbc t\u00ednh l\u01b0\u1ee3ng kWh m\u00e0 xe th\u01b0\u1eddng s\u1eed d\u1ee5ng gi\u1eefa c\u00e1c l\u1ea7n s\u1ea1c t\u1ea1i nh\u00e0 v\u00e0 chia l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u00f3 cho s\u1ed1 gi\u1edd s\u1ea1c kh\u1ea3 d\u1ee5ng.<\/p>\n\n  <div class=\"evb-formula\"><strong>C\u00f4ng su\u1ea5t s\u1ea1c trung b\u00ecnh c\u1ea7n thi\u1ebft \u2248 n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft h\u00e0ng ng\u00e0y \u0111\u1ec3 ph\u1ee5c h\u1ed3i \/ s\u1ed1 gi\u1edd s\u1ea1c kh\u1ea3 d\u1ee5ng<\/strong><p>N\u1ebfu m\u1ed9t chi\u1ebfc xe c\u1ea7n s\u1ea1c 24 kWh trong kho\u1ea3ng th\u1eddi gian t\u00e1m gi\u1edd qua \u0111\u00eam, m\u1ee9c trung b\u00ecnh l\u00fd t\u01b0\u1edfng l\u00e0 3 kW. C\u00f3 t\u00ednh \u0111\u1ebfn t\u1ed5n th\u1ea5t khi s\u1ea1c v\u00e0 s\u1ef1 thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, c\u1ea5u h\u00ecnh 3,7 kW tr\u1edf l\u00ean c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u \u0111\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n cao nh\u1ea5t hi\u1ec7n c\u00f3.<\/p><\/div>\n\n  <p>V\u00ed d\u1ee5 th\u1ee9 hai, gi\u1ea3 s\u1eed m\u1ed9t t\u00e0i x\u1ebf mu\u1ed1n s\u1ea1c 50 kWh trong s\u00e1u gi\u1edd. M\u1ee9c trung b\u00ecnh l\u00fd t\u01b0\u1edfng l\u00e0 kho\u1ea3ng 8,3 kW tr\u01b0\u1edbc khi t\u00ednh \u0111\u1ebfn t\u1ed5n th\u1ea5t. T\u1ea1i B\u1eafc M\u1ef9, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y c\u1ea7n l\u1eafp \u0111\u1eb7t b\u1ed9 s\u1ea1c lo\u1ea1i 40A\/240V n\u1ebfu xe v\u00e0 \u0111\u1ecba \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t cho ph\u00e9p. T\u1ea1i ch\u00e2u \u00c2u, b\u1ed9 s\u1ea1c ba pha 11 kW c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u, trong khi b\u1ed9 s\u1ea1c m\u1ed9t pha 7,4 kW s\u1ebd c\u1ea7n nhi\u1ec1u th\u1eddi gian h\u01a1n.<\/p>\n\n  <p>Sau \u0111\u00f3, ti\u1ebfn h\u00e0nh b\u1ed1n b\u01b0\u1edbc ki\u1ec3m tra:<\/p>\n\n  <ol>\n    <li><strong>Gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng xe:<\/strong> H\u00e3y x\u00e1c nh\u1eadn c\u00f4ng su\u1ea5t s\u1ea1c AC t\u1ed1i \u0111a v\u00e0 c\u00e1c pha \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a xe.<\/li>\n    <li><strong>Dung l\u01b0\u1ee3ng t\u00e0i s\u1ea3n:<\/strong> H\u00e3y h\u1ecfi th\u1ee3 \u0111i\u1ec7n xem h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 b\u1ea3ng \u0111i\u1ec7n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng bao nhi\u00eau sau khi \u0111\u00e3 t\u00ednh \u0111\u1ebfn nhu c\u1ea7u s\u1eed d\u1ee5ng \u0111i\u1ec7n hi\u1ec7n t\u1ea1i c\u1ee7a h\u1ed9 gia \u0111\u00ecnh.<\/li>\n    <li><strong>Th\u1eddi gian \u0111\u1ed7 xe:<\/strong> M\u1ed9t chi\u1ebfc xe \u0111\u1ed7 trong m\u01b0\u1eddi gi\u1edd c\u1ea7n \u00edt n\u0103ng l\u01b0\u1ee3ng s\u1ea1c h\u01a1n so v\u1edbi m\u1ed9t chi\u1ebfc xe ch\u1ec9 \u0111\u1ed7 trong b\u1ed1n gi\u1edd.<\/li>\n    <li><strong>\u1ee8ng d\u1ee5ng trong t\u01b0\u01a1ng lai:<\/strong> H\u00e3y c\u00e2n nh\u1eafc vi\u1ec7c mua th\u00eam m\u1ed9t chi\u1ebfc xe \u0111i\u1ec7n th\u1ee9 hai, qu\u00e3ng \u0111\u01b0\u1eddng \u0111i l\u00e0m d\u00e0i h\u01a1n, m\u1ed9t chi\u1ebfc xe trong t\u01b0\u01a1ng lai, tr\u1ea1m s\u1ea1c n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ho\u1eb7c quy\u1ec1n s\u1eed d\u1ee5ng chung khu d\u00e2n c\u01b0.<\/li>\n  <\/ol>\n\n  <div class=\"evb-tip\"><strong>Nguy\u00ean t\u1eafc th\u1ef1c ti\u1ec5n:<\/strong> N\u1ebfu m\u1ee9c d\u00f2ng \u0111i\u1ec7n th\u1ea5p h\u01a1n v\u1eabn \u0111\u1ee7 \u0111\u1ec3 kh\u00f4i ph\u1ee5c n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 h\u00e0ng ng\u00e0y v\u00e0 c\u00f2n d\u01b0 th\u1eddi gian, th\u00ec d\u00f2ng \u0111i\u1ec7n cao h\u01a1n c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng. D\u00f2ng \u0111i\u1ec7n cao h\u01a1n tr\u1edf n\u00ean c\u00f3 gi\u00e1 tr\u1ecb khi qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n t\u0103ng l\u00ean, th\u1eddi gian s\u1ea1c b\u1ecb r\u00fat ng\u1eafn ho\u1eb7c nhi\u1ec1u xe c\u00f9ng s\u1eed d\u1ee5ng chung th\u1eddi gian s\u1ea1c.<\/div>\n\n  <h2 id=\"compare-amperage\">So s\u00e1nh b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n 16A, 32A, 40A, 48A v\u00e0 80A<\/h2>\n\n  <div class=\"evb-amp-scale\">\n    <div class=\"evb-amp-card\"><strong>16A<\/strong><span>3,7-3,8 kW m\u1ed9t pha<br>11 kW \u1edf \u0111i\u1ec7n \u00e1p 400V ba pha<\/span><\/div>\n    <div class=\"evb-amp-card\"><strong>32A<\/strong><span>7,4-7,7 kW m\u1ed9t pha<br>C\u00f4ng su\u1ea5t 22 kW \u1edf \u0111i\u1ec7n \u00e1p 400V ba pha<\/span><\/div>\n    <div class=\"evb-amp-card\"><strong>40A<\/strong><span>9,6 kW \u1edf \u0111i\u1ec7n \u00e1p 240V<br>T\u00e0i li\u1ec7u tham kh\u1ea3o B\u1eafc M\u1ef9<\/span><\/div>\n    <div class=\"evb-amp-card\"><strong>48A<\/strong><span>11,5 kW \u1edf \u0111i\u1ec7n \u00e1p 240V<br>Nh\u00e0 c\u00f4ng su\u1ea5t cao C\u1ea5p 2<\/span><\/div>\n    <div class=\"evb-amp-card\"><strong>80A<\/strong><span>19,2 kW \u1edf \u0111i\u1ec7n \u00e1p 240V<br>S\u1eed d\u1ee5ng chuy\u00ean bi\u1ec7t c\u1ea5p \u0111\u1ed9 2<\/span><\/div>\n  <\/div>\n\n  <h3>Khi 16A l\u00e0 \u0111\u1ee7<\/h3>\n\n  <p>\u1ede \u0111i\u1ec7n \u00e1p m\u1ed9t pha 230V, d\u00f2ng \u0111i\u1ec7n 16A cung c\u1ea5p kho\u1ea3ng 3,7 kW. M\u1ee9c n\u00e0y \u0111\u1ee7 cho vi\u1ec7c l\u00e1i xe h\u00e0ng ng\u00e0y \u1edf m\u1ee9c \u0111\u1ed9 v\u1eeba ph\u1ea3i v\u00e0 \u0111\u1ed7 xe qua \u0111\u00eam trong th\u1eddi gian d\u00e0i. Tr\u00ean ngu\u1ed3n \u0111i\u1ec7n ba pha 400V, d\u00f2ng \u0111i\u1ec7n 16A t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 11 kW, \u0111\u00e2y \u0111\u00e3 l\u00e0 m\u1ee9c s\u1ea1c m\u1ea1nh m\u1ebd t\u1ea1i nh\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n h\u1ed7 tr\u1ee3 s\u1ea1c AC ba pha.<\/p>\n\n  <h3>Khi n\u00e0o 32A l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p h\u01a1n?<\/h3>\n\n  <p>\u1ede \u0111i\u1ec7n \u00e1p m\u1ed9t pha 230V ho\u1eb7c 240V, d\u00f2ng \u0111i\u1ec7n 32A t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 7,4 \u0111\u1ebfn 7,7 kW v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u xe \u0111i\u1ec7n ch\u1ea1y ho\u00e0n to\u00e0n b\u1eb1ng pin. \u1ede \u0111i\u1ec7n \u00e1p ba pha 400V, d\u00f2ng \u0111i\u1ec7n 32A t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 22 kW. K\u1ebft qu\u1ea3 22 kW ch\u1ec9 c\u00f3 \u00fd ngh\u0129a khi c\u1ea3 nh\u00e0 v\u00e0 xe \u0111\u1ec1u h\u1ed7 tr\u1ee3 c\u1ea5u h\u00ecnh \u0111\u00f3.<\/p>\n\n  <h3>Khi n\u00e0o d\u00f2ng \u0111i\u1ec7n 40A ho\u1eb7c 48A h\u1eefu \u00edch<\/h3>\n\n  <p>\u0110\u00e2y l\u00e0 c\u00e1c c\u00e0i \u0111\u1eb7t c\u00f4ng su\u1ea5t cao ph\u1ed5 bi\u1ebfn \u1edf B\u1eafc M\u1ef9. \u1ede \u0111i\u1ec7n \u00e1p 240V, 40A t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 9,6 kW v\u00e0 48A t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 11,5 kW. Ch\u00fang c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 nh\u1eefng ng\u01b0\u1eddi l\u00e1i xe c\u00f3 pin dung l\u01b0\u1ee3ng l\u1edbn, qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n d\u00e0i, th\u1eddi gian s\u1ea1c ng\u1eafn ho\u1eb7c xe c\u00f3 b\u1ed9 s\u1ea1c t\u00edch h\u1ee3p c\u00f4ng su\u1ea5t cao.<\/p>\n\n  <h3>Khi n\u00e0o d\u00f2ng \u0111i\u1ec7n 80A c\u00f3 \u00fd ngh\u0129a?<\/h3>\n\n  <p>B\u1ed9 s\u1ea1c c\u1ea5p 2 80A c\u00f3 th\u1ec3 \u0111\u1ea1t c\u00f4ng su\u1ea5t 19,2 kW \u1edf \u0111i\u1ec7n \u00e1p 240V, nh\u01b0ng n\u00f3 y\u00eau c\u1ea7u c\u00f4ng su\u1ea5t m\u1ea1ch v\u00e0 d\u1ecbch v\u1ee5 \u0111\u00e1ng k\u1ec3. Nhi\u1ec1u xe kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u 80A, v\u00ec v\u1eady vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00f4ng su\u1ea5t cao c\u00f3 th\u1ec3 kh\u00f4ng mang l\u1ea1i l\u1ee3i \u00edch g\u00ec cho chi\u1ebfc xe hi\u1ec7n t\u1ea1i. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn chuy\u00ean bi\u1ec7t ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u th\u00f4ng th\u01b0\u1eddng cho vi\u1ec7c s\u1ea1c t\u1ea1i nh\u00e0.<\/p>\n\n  <figure class=\"evb-figure\">\n    <img src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/05\/Choose-the-Right-Connector-Power-Rating-and-Charging-Format.webp\" alt=\"B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n d\u00e2n d\u1ee5ng EVB v\u1edbi nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng s\u1ea1c kh\u00e1c nhau\" loading=\"lazy\" decoding=\"async\">\n    <figcaption>Thi\u1ebft b\u1ecb s\u1ea1c d\u00e2n d\u1ee5ng n\u00ean \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean \u0111\u1ea7u n\u1ed1i, c\u1ea5u h\u00ecnh \u0111i\u1ec7n, d\u00f2ng \u0111i\u1ec7n y\u00eau c\u1ea7u, ki\u1ec3u l\u1eafp \u0111\u1eb7t v\u00e0 ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n n\u0103ng l\u01b0\u1ee3ng. C\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u00f3 s\u1eb5n kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o m\u1eabu xe \u0111i\u1ec7n v\u00e0 th\u1ecb tr\u01b0\u1eddng.<\/figcaption>\n  <\/figure>\n\n  <h2 id=\"why-not-full-current\">T\u1ea1i sao xe \u0111i\u1ec7n l\u1ea1i ti\u00eau th\u1ee5 \u00edt ampe h\u01a1n so v\u1edbi \u0111\u1ecbnh m\u1ee9c c\u1ee7a b\u1ed9 s\u1ea1c?<\/h2>\n\n  <p>B\u1ed9 s\u1ea1c c\u00f3 c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c 48A c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c 32A, 24A ho\u1eb7c th\u1ea5p h\u01a1n trong m\u1ed9t l\u1ea7n s\u1ea1c. \u0110i\u1ec1u n\u00e0y kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 l\u1ed7i. H\u1ec7 th\u1ed1ng s\u1ea1c s\u1eed d\u1ee5ng gi\u1edbi h\u1ea1n th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng.<\/p>\n\n  <p>C\u00e1c l\u00fd do ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n  <ul>\n    <li>B\u1ed9 s\u1ea1c tr\u00ean xe c\u00f3 gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ho\u1eb7c c\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n;<\/li>\n    <li>Ng\u01b0\u1eddi c\u00e0i \u0111\u1eb7t \u0111\u00e3 c\u1ea5u h\u00ecnh b\u1ed9 s\u1ea1c \u1edf m\u1ee9c th\u1ea5p h\u01a1n m\u1ee9c t\u1ed1i \u0111a c\u1ee7a ph\u1ea7n c\u1ee9ng;<\/li>\n    <li>C\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng gi\u00fap b\u1ea3o v\u1ec7 c\u00f4ng su\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ecfa thu\u1eadn c\u1ee7a ng\u00f4i nh\u00e0;<\/li>\n    <li>Hai b\u1ed9 s\u1ea1c \u0111ang d\u00f9ng chung m\u1ed9t gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t t\u1ea1i m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m;<\/li>\n    <li>Xe ho\u1eb7c b\u1ed9 s\u1ea1c \u0111ang gi\u1ea3m c\u00f4ng su\u1ea5t do nhi\u1ec7t \u0111\u1ed9;<\/li>\n    <li>Pin g\u1ea7n \u0111\u1ea7y ho\u1eb7c xe \u0111ang t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh ch\u1ebf \u0111\u1ed9 s\u1ea1c pin;<\/li>\n    <li>\u0110i\u1ec7n \u00e1p ngu\u1ed3n th\u1ea5p h\u01a1n gi\u00e1 tr\u1ecb danh ngh\u0129a;<\/li>\n    <li>Ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 ch\u1ecdn gi\u1edbi h\u1ea1n hi\u1ec7n t\u1ea1i, l\u1ecbch tr\u00ecnh ho\u1eb7c ch\u1ebf \u0111\u1ed9 ch\u1ec9 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi;<\/li>\n    <li>B\u1ed9 s\u1ea1c c\u1eafm \u0111i\u1ec7n b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi ph\u00edch c\u1eafm v\u00e0 c\u1ea5u h\u00ecnh m\u1ea1ch \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t; ho\u1eb7c<\/li>\n    <li>\u0110\u00e3 ph\u00e1t hi\u1ec7n l\u1ed7i ho\u1eb7c t\u00ecnh tr\u1ea1ng gi\u1ea3m c\u00f4ng su\u1ea5t.<\/li>\n  <\/ul>\n\n  <p>H\u00e3y ki\u1ec3m tra m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb tr\u00ean xe, \u1ee9ng d\u1ee5ng tr\u00ean b\u1ed9 s\u1ea1c, nh\u1eadt k\u00fd s\u1ea1c, c\u00e0i \u0111\u1eb7t l\u1eafp \u0111\u1eb7t v\u00e0 c\u1ea3nh b\u00e1o tr\u01b0\u1edbc khi k\u1ebft lu\u1eadn r\u1eb1ng b\u1ed9 s\u1ea1c ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3.<\/p>\n\n  <h2 id=\"breaker-size\">B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n c\u1ea7n lo\u1ea1i c\u1ea7u dao c\u00f3 k\u00edch th\u01b0\u1edbc bao nhi\u00eau?<\/h2>\n\n  <p>Kh\u00f4ng c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi to\u00e0n c\u1ea7u an to\u00e0n n\u00e0o ch\u1ec9 d\u1ef1a tr\u00ean c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c. \u1ede B\u1eafc M\u1ef9, m\u1ed1i quan h\u1ec7 t\u1ea3i li\u00ean t\u1ee5c ph\u1ed5 bi\u1ebfn l\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ea7u ra 16A tr\u00ean m\u1ea1ch 20A, 32A tr\u00ean m\u1ea1ch 40A, 40A tr\u00ean m\u1ea1ch 50A v\u00e0 48A tr\u00ean m\u1ea1ch 60A. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea7u dao \u1edf ch\u00e2u \u00c2u tu\u00e2n theo c\u00e1c quy t\u1eafc qu\u1ed1c gia kh\u00e1c nhau v\u00e0 c\u00f3 th\u1ec3 kh\u00f4ng s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t b\u1ea3ng.<\/p>\n\n  <p>Thi\u1ebft k\u1ebf cu\u1ed1i c\u00f9ng ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u sau:<\/p>\n\n  <ul>\n    <li>Quy chu\u1ea9n \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng;<\/li>\n    <li>H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t b\u1ed9 s\u1ea1c v\u00e0 \u0111i\u1ec1u ki\u1ec7n ni\u00eam y\u1ebft;<\/li>\n    <li>\u0111i\u1ec7n \u00e1p, b\u1ed1 tr\u00ed pha v\u00e0 h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t;<\/li>\n    <li>V\u1eadt li\u1ec7u d\u00e2y d\u1eabn, k\u00edch th\u01b0\u1edbc, \u0111\u01b0\u1eddng \u0111i, chi\u1ec1u d\u00e0i, nh\u00f3m v\u00e0 nhi\u1ec7t \u0111\u1ed9;<\/li>\n    <li>B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng v\u00e0 d\u00f2ng r\u00f2;<\/li>\n    <li>K\u1ebft n\u1ed1i d\u1ea1ng c\u1eafm ho\u1eb7c k\u1ebft n\u1ed1i c\u00f3 d\u00e2y;<\/li>\n    <li>\u0110\u1ecba \u0111i\u1ec3m ngo\u00e0i tr\u1eddi ho\u1eb7c trong nh\u00e0;<\/li>\n    <li>Kh\u1ea3 n\u0103ng d\u1ecbch v\u1ee5 v\u00e0 dung l\u01b0\u1ee3ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n s\u1eb5n c\u00f3; v\u00e0<\/li>\n    <li>C\u00e1c y\u00eau c\u1ea7u v\u1ec1 ti\u1ec7n \u00edch, c\u1ea5p ph\u00e9p v\u00e0 ki\u1ec3m tra.<\/li>\n  <\/ul>\n\n  <p>Vi\u1ec7c \u0111\u00e1nh gi\u00e1 t\u1ea3i v\u00e0 thi\u1ebft k\u1ebf m\u1ea1ch \u0111i\u1ec7n cu\u1ed1i c\u00f9ng n\u00ean do m\u1ed9t th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n th\u1ef1c hi\u1ec7n. (EVB) <a href=\"https:\/\/www.evb.com\/vi\/ev-charger-installation-requirements\/\">Y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n<\/a> B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn quy tr\u00ecnh l\u1eadp k\u1ebf ho\u1ea1ch t\u1ed5ng th\u1ec3.<\/p>\n\n  <h2 id=\"dynamic-load-balancing\">C\u00e1ch c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n<\/h2>\n\n  <p>C\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng \u0111o l\u01b0\u1eddng nhu c\u1ea7u c\u1ee7a h\u1ed9 gia \u0111\u00ecnh v\u00e0 \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n s\u1ea1c xe \u0111i\u1ec7n \u0111\u1ec3 gi\u1eef t\u1ed5ng t\u1ea3i c\u1ee7a tr\u1ea1m s\u1ea1c trong gi\u1edbi h\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh. N\u1ebfu l\u00f2 n\u01b0\u1edbng, m\u00e1y b\u01a1m nhi\u1ec7t, b\u00ecnh n\u01b0\u1edbc n\u00f3ng ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n l\u1edbn kh\u00e1c kh\u1edfi \u0111\u1ed9ng, b\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 gi\u1ea3m d\u00f2ng \u0111i\u1ec7n. Khi nhu c\u1ea7u c\u1ee7a h\u1ed9 gia \u0111\u00ecnh gi\u1ea3m, d\u00f2ng \u0111i\u1ec7n s\u1ea1c c\u00f3 th\u1ec3 t\u0103ng tr\u1edf l\u1ea1i.<\/p>\n\n  <p>\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n 32A nh\u01b0ng l\u1ea1i ch\u1ec9 cung c\u1ea5p 18A t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m v\u00e0 30A sau \u0111\u00f3. S\u1ef1 thay \u0111\u1ed5i v\u1ec1 con s\u1ed1 n\u00e0y l\u00e0 do h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111ang ho\u1ea1t \u0111\u1ed9ng, ch\u1ee9 kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 do qu\u00e1 tr\u00ecnh s\u1ea1c kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n  <p>\u0110i\u1ec1u khi\u1ec3n \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb khi:<\/p>\n\n  <ul>\n    <li>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u00f3 c\u00f4ng su\u1ea5t d\u1ef1 ph\u00f2ng h\u1ea1n ch\u1ebf;<\/li>\n    <li>Vi\u1ec7c n\u00e2ng c\u1ea5p b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c d\u1ecbch v\u1ee5 s\u1ebd \u0111\u01b0\u1ee3c xem x\u00e9t;<\/li>\n    <li>Hai xe \u0111i\u1ec7n s\u1ea1c t\u1ea1i c\u00f9ng m\u1ed9t nh\u00e0;<\/li>\n    <li>B\u1ed9 s\u1ea1c s\u1ebd ho\u1ea1t \u0111\u1ed9ng theo l\u01b0\u1ee3ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi d\u01b0 th\u1eeba tr\u00ean m\u00e1i nh\u00e0; ho\u1eb7c<\/li>\n    <li>Nh\u00e0 \u0111i\u1ec1u h\u00e0nh m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u00e1p \u0111\u1eb7t gi\u1edbi h\u1ea1n nh\u1eadp kh\u1ea9u.<\/li>\n  <\/ul>\n\n  <p>C\u00e2n b\u1eb1ng t\u1ea3i kh\u00f4ng th\u1ec3 t\u1ea1o th\u00eam dung l\u01b0\u1ee3ng, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng dung l\u01b0\u1ee3ng hi\u1ec7n c\u00f3 m\u1ed9t c\u00e1ch th\u00f4ng minh h\u01a1n. H\u00e3y xem h\u01b0\u1edbng d\u1eabn c\u1ee7a EVB v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y. <a href=\"https:\/\/www.evb.com\/vi\/what-is-dynamic-load-balance-a-comprehensive-guide\/\">c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng<\/a> v\u1ec1 nguy\u00ean t\u1eafc \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n  <h2 id=\"two-evs\">Hai b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0 c\u1ea7n bao nhi\u00eau ampe?<\/h2>\n\n  <p>Hai xe kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u1ea7n hai m\u1ea1ch \u0111i\u1ec7n c\u00f4ng su\u1ea5t t\u1ed1i \u0111a ho\u1ea1t \u0111\u1ed9ng c\u00f9ng l\u00fac. N\u1ebfu c\u1ea3 hai xe \u0111\u1ec1u \u0111\u1ed7 qua \u0111\u00eam, gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t chung c\u00f3 th\u1ec3 ph\u00e2n b\u1ed5 d\u00f2ng \u0111i\u1ec7n gi\u1eefa ch\u00fang. V\u00ed d\u1ee5, hai b\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 d\u00f9ng chung 40A v\u00e0 chia \u0111\u1ec1u d\u00f2ng \u0111i\u1ec7n trong khi c\u1ea3 hai xe \u0111ang s\u1ea1c, sau \u0111\u00f3 cho ph\u00e9p m\u1ed9t xe s\u1eed d\u1ee5ng nhi\u1ec1u d\u00f2ng \u0111i\u1ec7n h\u01a1n sau khi xe kia s\u1ea1c xong.<\/p>\n\n  <p>Thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng h\u00e0ng ng\u00e0y c\u1ee7a c\u1ea3 hai xe, th\u1eddi gian \u0111\u1ed7 xe ch\u1ed3ng ch\u00e9o, quy t\u1eafc \u01b0u ti\u00ean, nhu c\u1ea7u t\u1ed1i \u0111a c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m v\u00e0 li\u1ec7u m\u1ed7i b\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng hay kh\u00f4ng.<\/p>\n\n  <p>Ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn:<\/p>\n\n  <ul>\n    <li>D\u00f2ng \u0111i\u1ec7n t\u1ed1i \u0111a cho to\u00e0n b\u1ed9 nh\u00f3m s\u1ea1c;<\/li>\n    <li>D\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c ph\u00e2n chia nh\u01b0 th\u1ebf n\u00e0o khi c\u1ea3 hai xe \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau;<\/li>\n    <li>Li\u1ec7u c\u00f3 th\u1ec3 \u01b0u ti\u00ean cho m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng c\u1ee5 th\u1ec3 hay kh\u00f4ng;<\/li>\n    <li>H\u00e0nh vi hi\u1ec7n t\u1ea1i t\u1ed1i thi\u1ec3u v\u00e0 t\u1ea1m d\u1eebng\/ti\u1ebfp t\u1ee5c;<\/li>\n    <li>\u0110i\u1ec1u g\u00ec x\u1ea3y ra sau khi x\u1ea3y ra s\u1ef1 c\u1ed1 v\u1ec1 li\u00ean l\u1ea1c ho\u1eb7c \u0111\u1ed3ng h\u1ed3 \u0111o; v\u00e0<\/li>\n    <li>Li\u1ec7u c\u00e1c tr\u1ea1m s\u1ea1c trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 tham gia c\u00f9ng nh\u00f3m \u0111i\u1ec1u khi\u1ec3n hay kh\u00f4ng.<\/li>\n  <\/ul>\n\n  <h2 id=\"buyer-table\">B\u1ea1n n\u00ean ch\u1ecdn c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n n\u00e0o cho b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n?<\/h2>\n\n  <div class=\"evb-table-wrap\"><table class=\"evb-table\">\n    <thead><tr><th>T\u00ecnh hu\u1ed1ng<\/th><th>\u0110i\u1ec3m kh\u1edfi \u0111\u1ea7u th\u1ef1c t\u1ebf<\/th><th>\u0110i\u1ec1u g\u00ec quy\u1ebft \u0111\u1ecbnh thi\u1ebft l\u1eadp cu\u1ed1i c\u00f9ng?<\/th><\/tr><\/thead>\n    <tbody>\n      <tr><td><strong>Qu\u00e3ng \u0111\u01b0\u1eddng \u0111i h\u00e0ng ng\u00e0y th\u1ea5p<\/strong><\/td><td>D\u00f2ng \u0111i\u1ec7n t\u1eeb 12A \u0111\u1ebfn 16A c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7.<\/td><td>L\u01b0\u1ee3ng \u0111i\u1ec7n ti\u00eau th\u1ee5 h\u00e0ng ng\u00e0y (kWh), s\u1ed1 gi\u1edd \u0111\u1ed7 xe, \u0111i\u1ec7n \u00e1p v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a xe.<\/td><\/tr>\n      <tr><td><strong>H\u1ed9 gia \u0111\u00ecnh \u0111i\u1ec3n h\u00ecnh s\u1edf h\u1eefu m\u1ed9t xe \u0111i\u1ec7n<\/strong><\/td><td>T\u1eeb 16A \u0111\u1ebfn 32A t\u00f9y thu\u1ed9c v\u00e0o khu v\u1ef1c v\u00e0 c\u00e1ch b\u1ed1 tr\u00ed pha.<\/td><td>Gi\u1edbi h\u1ea1n AC c\u1ee7a xe, lo\u1ea1i ngu\u1ed3n cung c\u1ea5p v\u00e0 m\u1ee5c ti\u00eau ph\u1ee5c h\u1ed3i qua \u0111\u00eam<\/td><\/tr>\n      <tr><td><strong>Qu\u00e3ng \u0111\u01b0\u1eddng \u0111i l\u00e0m d\u00e0i ho\u1eb7c th\u1eddi gian s\u1ea1c ng\u1eafn<\/strong><\/td><td>\u0110\u00e1nh gi\u00e1 d\u00f2ng \u0111i\u1ec7n t\u1eeb 32A \u0111\u1ebfn 48A \u1edf B\u1eafc M\u1ef9 ho\u1eb7c c\u00f4ng su\u1ea5t 11 kW ba pha \u1edf ch\u00e2u \u00c2u.<\/td><td>M\u1ee9c thi\u1ebfu h\u1ee5t n\u0103ng l\u01b0\u1ee3ng th\u1ef1c t\u1ebf, b\u1ed9 s\u1ea1c tr\u00ean xe v\u00e0 c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m.<\/td><\/tr>\n      <tr><td><strong>H\u1ed9p treo t\u01b0\u1eddng ch\u00e2u \u00c2u 22 kW<\/strong><\/td><td>32A ba pha.<\/td><td>Ngu\u1ed3n \u0111i\u1ec7n ba pha 400V, h\u1ed7 tr\u1ee3 xe c\u1ed9 v\u00e0 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t m\u1ea1ng l\u01b0\u1edbi.<\/td><\/tr>\n      <tr><td><strong>C\u00f4ng su\u1ea5t \u0111i\u1ec7n gia \u0111\u00ecnh h\u1ea1n ch\u1ebf<\/strong><\/td><td>H\u00e3y s\u1eed d\u1ee5ng gi\u1edbi h\u1ea1n d\u01b0\u1edbi c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh thay v\u00ec gi\u1ea3 \u0111\u1ecbnh vi\u1ec7c n\u00e2ng c\u1ea5p d\u1ecbch v\u1ee5.<\/td><td>\u0110\u00e1nh gi\u00e1 t\u1ea3i v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng<\/td><\/tr>\n      <tr><td><strong>Hai h\u1ed9 gia \u0111\u00ecnh s\u1eed d\u1ee5ng xe \u0111i\u1ec7n<\/strong><\/td><td>S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p chia s\u1ebb d\u00f2ng \u0111i\u1ec7n ph\u1ed1i h\u1ee3p.<\/td><td>T\u1ed5ng n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 h\u00e0ng ng\u00e0y, s\u1ea1c \u0111\u1ed3ng th\u1eddi v\u00e0 gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t nh\u00f3m<\/td><\/tr>\n      <tr><td><strong>Chuy\u00ean m\u00f4n h\u00f3a, n\u0103ng su\u1ea5t cao, c\u1ea5p \u0111\u1ed9 2<\/strong><\/td><td>Ch\u1ec9 s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n t\u1eeb 48A \u0111\u1ebfn 80A khi c\u00f3 l\u00fd do ch\u00ednh \u0111\u00e1ng.<\/td><td>Ch\u1ea5p nh\u1eadn xe, thi\u1ebft k\u1ebf \u0111\u1ea5u d\u00e2y c\u1ed1 \u0111\u1ecbnh, dung l\u01b0\u1ee3ng m\u1ea1ch v\u00e0 d\u1ecbch v\u1ee5<\/td><\/tr>\n    <\/tbody>\n  <\/table><\/div>\n\n  <div class=\"evb-checklist\">\n    <strong>Tr\u01b0\u1edbc khi ch\u1ecdn c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n, h\u00e3y h\u1ecfi:<\/strong>\n    <ol>\n      <li>Th\u00f4ng th\u01b0\u1eddng m\u1ed7i \u0111\u00eam c\u1ea7n ph\u1ea3i b\u1ed5 sung bao nhi\u00eau kWh \u0111i\u1ec7n?<\/li>\n      <li>Xe \u0111\u1ed7 \u1edf \u0111\u00f3 trong bao l\u00e2u?<\/li>\n      <li>Xe c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u, c\u00f4ng su\u1ea5t v\u00e0 c\u1ea5u h\u00ecnh pha n\u00e0o?<\/li>\n      <li>\u0110i\u1ec7n \u00e1p c\u1ee7a ng\u00f4i nh\u00e0 l\u00e0 m\u1ed9t pha, hai pha hay ba pha?<\/li>\n      <li>Sau khi tr\u1eeb \u0111i c\u00e1c t\u1ea3i ti\u00eau th\u1ee5 kh\u00e1c trong h\u1ed9 gia \u0111\u00ecnh, c\u00f4ng su\u1ea5t c\u00f2n l\u1ea1i l\u00e0 bao nhi\u00eau?<\/li>\n      <li>Li\u1ec7u vi\u1ec7c c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f3 l\u00e0m thay \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n hi\u1ec7n t\u1ea1i kh\u00f4ng?<\/li>\n      <li>Li\u1ec7u chi\u1ebfc xe \u0111i\u1ec7n th\u1ee9 hai c\u00f3 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t n\u00e0y kh\u00f4ng?<\/li>\n      <li>B\u1ed9 s\u1ea1c l\u00e0 lo\u1ea1i c\u1eafm tr\u1ef1c ti\u1ebfp hay c\u1eafm c\u1ed1 \u0111\u1ecbnh?<\/li>\n      <li>C\u00e1c c\u00e0i \u0111\u1eb7t hi\u1ec7n t\u1ea1i n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn cho m\u1eabu b\u1ed9 s\u1ea1c c\u1ee5 th\u1ec3 n\u00e0y?<\/li>\n      <li>Th\u1ee3 \u0111i\u1ec7n \u0111\u1ecba ph\u01b0\u01a1ng, c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c v\u00e0 c\u01a1 quan c\u1ea5p ph\u00e9p y\u00eau c\u1ea7u nh\u1eefng g\u00ec?<\/li>\n    <\/ol>\n  <\/div>\n\n  <h2 id=\"evb-support\">EVB h\u1ed7 tr\u1ee3 s\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n  <p>EVB cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn s\u1ea1c AC d\u00e2n d\u1ee5ng cho c\u00e1c ngu\u1ed3n \u0111i\u1ec7n, \u0111\u1ecbnh d\u1ea1ng \u0111\u1ea7u n\u1ed1i v\u00e0 nhu c\u1ea7u qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng kh\u00e1c nhau. M\u1ed9t s\u1ed1 c\u1ea5u h\u00ecnh h\u1ed7 tr\u1ee3 d\u00f2ng s\u1ea1c c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, l\u1eadp l\u1ecbch th\u00f4ng qua \u1ee9ng d\u1ee5ng, c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng, \u0111i\u1ec1u khi\u1ec3n d\u1ef1a tr\u00ean n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 \u1ee9ng d\u1ee5ng m\u1ed9t pha ho\u1eb7c ba pha.<\/p>\n\n  <p>C\u00e1c th\u00f4ng s\u1ed1 v\u1ec1 d\u00f2ng \u0111i\u1ec7n, c\u00f4ng su\u1ea5t, ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7, \u0111\u1ea7u n\u1ed1i v\u00e0 t\u00ednh n\u0103ng ph\u1ea7n m\u1ec1m kh\u1ea3 d\u1ee5ng ph\u1ee5 thu\u1ed9c v\u00e0o t\u1eebng m\u1eabu EVB c\u1ee5 th\u1ec3 v\u00e0 th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau. Ng\u01b0\u1eddi mua n\u00ean y\u00eau c\u1ea7u b\u1ea3ng d\u1eef li\u1ec7u, h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t, t\u00e0i li\u1ec7u ch\u1ee9ng nh\u1eadn v\u00e0 x\u00e1c nh\u1eadn c\u1ea5u h\u00ecnh m\u1edbi nh\u1ea5t tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng.<\/p>\n\n  <p>\u0110\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t ph\u00f9 h\u1ee3p, h\u00e3y cung c\u1ea5p cho EVB th\u00f4ng tin v\u1ec1 qu\u1ed1c gia, ki\u1ec3u xe, qu\u00e3ng \u0111\u01b0\u1eddng \u0111i h\u00e0ng ng\u00e0y, \u0111i\u1ec7n \u00e1p v\u00e0 pha \u0111i\u1ec7n kh\u1ea3 d\u1ee5ng, c\u00f4ng su\u1ea5t d\u1ecbch v\u1ee5 ch\u00ednh, b\u1ed1 tr\u00ed b\u00e3i \u0111\u1eadu xe, lo\u1ea1i \u0111\u1ea7u n\u1ed1i \u01b0a th\u00edch v\u00e0 th\u00f4ng tin h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. EVB c\u0169ng c\u1ea7n bi\u1ebft li\u1ec7u h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t s\u1ebd ph\u1ee5c v\u1ee5 m\u1ed9t xe \u0111i\u1ec7n hay nhi\u1ec1u xe. B\u1ea1n c\u00f3 th\u1ec3 xem th\u00eam th\u00f4ng tin chi ti\u1ebft t\u1ea1i EVB. <a href=\"https:\/\/www.evb.com\/vi\/home-ev-charger-buying-guide\/\">h\u01b0\u1edbng d\u1eabn mua b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0<\/a> V\u00e0 <a href=\"https:\/\/www.evb.com\/vi\/by-industry\/residential-charging\/\">gi\u1ea3i ph\u00e1p s\u1ea1c \u0111i\u1ec7n d\u00e2n d\u1ee5ng<\/a>.<\/p>\n\n  <figure class=\"evb-figure evb-figure-small\">\n    <img src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/07\/1000-750-3-scaled.webp\" alt=\"B\u1ed9 s\u1ea1c EVB d\u00e2n d\u1ee5ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i m\u1ed9t b\u1ea5t \u0111\u1ed9ng s\u1ea3n\" loading=\"lazy\" decoding=\"async\">\n    <figcaption>H\u00ecnh \u1ea3nh minh h\u1ecda h\u1ec7 th\u1ed1ng s\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0 \u0111ang ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf. M\u1ee9c d\u00f2ng \u0111i\u1ec7n ph\u00f9 h\u1ee3p v\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i xe, c\u00f4ng su\u1ea5t \u0111i\u1ec7n s\u1eb5n c\u00f3 v\u00e0 c\u00e1c y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng.<\/figcaption>\n  <\/figure>\n\n  <h2 id=\"conclusion\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n  <p>C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n ch\u1ec9 c\u00f3 \u00fd ngh\u0129a khi \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi \u0111i\u1ec7n \u00e1p v\u00e0 c\u1ea5u h\u00ecnh pha. B\u1ed9 s\u1ea1c ba pha 16A ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u c\u00f3 th\u1ec3 cung c\u1ea5p kho\u1ea3ng 11 kW, trong khi b\u1ed9 s\u1ea1c m\u1ed9t pha 16A c\u00f3 c\u00f4ng su\u1ea5t g\u1ea7n 3,7 kW. T\u1ea1i B\u1eafc M\u1ef9, c\u00f4ng su\u1ea5t \u0111\u1ea7u ra c\u1ea5p 2 ph\u1ed5 bi\u1ebfn dao \u0111\u1ed9ng t\u1eeb 16A \u0111\u1ebfn 48A, v\u1edbi c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 80A.<\/p>\n\n  <p>M\u1ee9c c\u00e0i \u0111\u1eb7t t\u1ed1t nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ee9c cao nh\u1ea5t. \u0110\u00f3 l\u00e0 d\u00f2ng \u0111i\u1ec7n kh\u00f4i ph\u1ee5c m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng h\u00e0ng ng\u00e0y trong th\u1eddi gian \u0111\u1ed7 xe cho ph\u00e9p, \u0111\u1ed3ng th\u1eddi v\u1eabn t\u01b0\u01a1ng th\u00edch v\u1edbi xe, m\u1ea1ch \u0111i\u1ec7n, t\u00e0i s\u1ea3n v\u00e0 c\u00e1c quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng. Trong tr\u01b0\u1eddng h\u1ee3p c\u00f4ng su\u1ea5t \u0111i\u1ec7n h\u1ea1n ch\u1ebf, d\u00f2ng \u0111i\u1ec7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n l\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c cao h\u01a1n.<\/p>\n\n  <h2 id=\"faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p: C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n<\/h2>\n\n  <div class=\"evb-faq\">\n    <h3>B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n c\u1ea5p 2 s\u1eed d\u1ee5ng bao nhi\u00eau ampe?<\/h3>\n    <p>T\u1ea1i B\u1eafc M\u1ef9, b\u1ed9 s\u1ea1c c\u1ea5p 2 th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c m\u1ee9c d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh s\u1eb5n nh\u01b0 16A, 24A, 32A, 40A ho\u1eb7c 48A, trong khi \u0111\u1ecbnh ngh\u0129a ENERGY STAR c\u1ea5p 2 m\u1edf r\u1ed9ng l\u00ean \u0111\u1ebfn 80A. D\u00f2ng \u0111i\u1ec7n ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ed9 s\u1ea1c, m\u1ea1ch \u0111i\u1ec7n, xe v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t.<\/p>\n\n    <h3>B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n 32 ampe c\u00f3 \u0111\u1ee7 kh\u00f4ng?<\/h3>\n    <p>V\u00e2ng, 32A l\u00e0 \u0111\u1ee7 cho nhi\u1ec1u h\u1ed9 gia \u0111\u00ecnh. \u1ede \u0111i\u1ec7n \u00e1p 240V, n\u00f3 cung c\u1ea5p kho\u1ea3ng 7,7 kW, c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c \u0111\u00e1ng k\u1ec3 n\u0103ng l\u01b0\u1ee3ng cho xe c\u1ed9 qua \u0111\u00eam. T\u1ea1i ch\u00e2u \u00c2u, 32A c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi kho\u1ea3ng 7,4 kW m\u1ed9t pha ho\u1eb7c 22 kW ba pha, v\u00ec v\u1eady c\u1ea7n ph\u1ea3i x\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1ch b\u1ed1 tr\u00ed ngu\u1ed3n \u0111i\u1ec7n.<\/p>\n\n    <h3>B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n 40 ampe c\u00f3 nhanh h\u01a1n b\u1ed9 s\u1ea1c 32 ampe kh\u00f4ng?<\/h3>\n    <p>\u1ede \u0111i\u1ec7n \u00e1p 240V, d\u00f2ng \u0111i\u1ec7n 40A c\u00f3 th\u1ec3 cung c\u1ea5p kho\u1ea3ng 9,6 kW so v\u1edbi kho\u1ea3ng 7,7 kW \u1edf d\u00f2ng \u0111i\u1ec7n 32A. T\u1ed1c \u0111\u1ed9 nhanh h\u01a1n ch\u1ec9 khi xe c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u b\u1ed5 sung v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n \u0111\u00f3.<\/p>\n\n    <h3>B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n 48 ampe c\u00f3 c\u1ea7n c\u1ea7u ch\u00ec 60 ampe kh\u00f4ng?<\/h3>\n    <p>Trong c\u00e1c h\u1ec7 th\u1ed1ng s\u1ea1c li\u00ean t\u1ee5c ph\u1ed5 bi\u1ebfn \u1edf B\u1eafc M\u1ef9, \u0111\u1ea7u ra 48A \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi m\u1ea1ch 60A. Tuy nhi\u00ean, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 quy t\u1eafc qu\u1ed1c t\u1ebf chung. Th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n ph\u1ea3i tu\u00e2n theo quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t c\u1ee5 th\u1ec3 c\u1ee7a b\u1ed9 s\u1ea1c.<\/p>\n\n    <h3>B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n 32 ampe c\u00f3 c\u00f4ng su\u1ea5t bao nhi\u00eau kW?<\/h3>\n    <p>\u1ede \u0111i\u1ec7n \u00e1p m\u1ed9t pha 230V, d\u00f2ng \u0111i\u1ec7n 32A x\u1ea5p x\u1ec9 7,4 kW. \u1ede \u0111i\u1ec7n \u00e1p m\u1ed9t pha 240V, c\u00f4ng su\u1ea5t x\u1ea5p x\u1ec9 7,7 kW. \u1ede \u0111i\u1ec7n \u00e1p ba pha 400V, c\u00f4ng su\u1ea5t x\u1ea5p x\u1ec9 22 kW. Do \u0111\u00f3, c\u1ea7n ph\u1ea3i bao g\u1ed3m c\u1ea3 \u0111i\u1ec7n \u00e1p v\u00e0 c\u1ea5u h\u00ecnh pha.<\/p>\n\n    <h3>B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n 16 ampe c\u00f3 c\u00f4ng su\u1ea5t bao nhi\u00eau kW?<\/h3>\n    <p>\u1ede \u0111i\u1ec7n \u00e1p m\u1ed9t pha 230V, d\u00f2ng \u0111i\u1ec7n 16A t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 3,7 kW. \u1ede \u0111i\u1ec7n \u00e1p ba pha 400V, d\u00f2ng \u0111i\u1ec7n 16A t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 11 kW. C\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec7n \u00e1p ngu\u1ed3n v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n    <h3>B\u1ed9 s\u1ea1c c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n cao h\u01a1n lu\u00f4n s\u1ea1c nhanh h\u01a1n?<\/h3>\n    <p>Kh\u00f4ng. T\u1ed1c \u0111\u1ed9 s\u1ea1c b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi m\u1ee9c t\u1ed1i thi\u1ec3u \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c, bao g\u1ed3m c\u00e0i \u0111\u1eb7t b\u1ed9 s\u1ea1c, dung l\u01b0\u1ee3ng m\u1ea1ch, b\u1ed9 s\u1ea1c tr\u00ean xe, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u1ea3i, nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u00ecnh tr\u1ea1ng pin.<\/p>\n\n    <h3>B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng?<\/h3>\n    <p>\u0110\u00fang v\u1eady. B\u1ed9 s\u1ea1c c\u00f3 ch\u1ee9c n\u0103ng c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng c\u00f3 th\u1ec3 gi\u1ea3m d\u00f2ng \u0111i\u1ec7n khi nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a h\u1ed9 gia \u0111\u00ecnh t\u0103ng l\u00ean v\u00e0 t\u0103ng d\u00f2ng \u0111i\u1ec7n khi c\u00f4ng su\u1ea5t kh\u1ea3 d\u1ee5ng. Xe c\u0169ng c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 \u00edt d\u00f2ng \u0111i\u1ec7n h\u01a1n m\u1ee9c m\u00e0 b\u1ed9 s\u1ea1c cung c\u1ea5p.<\/p>\n\n    <h3>Hai b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n c\u00f3 th\u1ec3 d\u00f9ng chung c\u00f4ng su\u1ea5t ampe kh\u00f4ng?<\/h3>\n    <p>\u0110\u00fang v\u1eady, c\u00e1c b\u1ed9 s\u1ea1c t\u01b0\u01a1ng th\u00edch v\u00e0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ngu\u1ed3n ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 chia s\u1ebb gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed s\u1ea1c nh\u1ea5t \u0111\u1ecbnh. H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ph\u00e2n chia d\u00f2ng \u0111i\u1ec7n trong khi c\u1ea3 hai xe \u0111ang s\u1ea1c v\u00e0 ph\u00e2n b\u1ed5 l\u1ea1i sau khi m\u1ed9t xe s\u1ea1c xong.<\/p>\n\n    <h3>Ai n\u00ean quy\u1ebft \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc m\u1ea1ch \u0111i\u1ec7n v\u00e0 c\u1ea7u dao cho b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n?<\/h3>\n    <p>Th\u1ee3 \u0111i\u1ec7n c\u00f3 chuy\u00ean m\u00f4n c\u1ea7n ph\u1ea3i \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng c\u00f4ng tr\u00ecnh v\u00e0 thi\u1ebft k\u1ebf m\u1ea1ch \u0111i\u1ec7n theo quy \u0111\u1ecbnh v\u1ec1 \u0111i\u1ec7n \u0111\u1ecba ph\u01b0\u01a1ng, gi\u1ea5y ph\u00e9p, y\u00eau c\u1ea7u c\u1ee7a c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t c\u1ee7a b\u1ed9 s\u1ea1c. Ch\u1ec9 ri\u00eang c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c l\u00e0 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 l\u1ef1a ch\u1ecdn d\u00e2y d\u1eabn ho\u1eb7c h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7.<\/p>\n  <\/div>\n\n  <h2 id=\"sources\">Ngu\u1ed3n tham kh\u1ea3o v\u00e0 t\u00e0i li\u1ec7u \u0111\u1ecdc th\u00eam<\/h2>\n  <ul class=\"evb-sources\">\n    <li>B\u1ed9 N\u0103ng l\u01b0\u1ee3ng Hoa K\u1ef3, Trung t\u00e2m D\u1eef li\u1ec7u Nhi\u00ean li\u1ec7u Thay th\u1ebf \u2013 <a href=\"https:\/\/afdc.energy.gov\/fuels\/electricity-charging-home\" target=\"_blank\" rel=\"noopener\">S\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0<\/a> (Truy c\u1eadp ng\u00e0y: 24 th\u00e1ng 8 n\u0103m 2026)<\/li>\n    <li>C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3, ENERGY STAR \u2013 <a href=\"https:\/\/www.energystar.gov\/products\/ev_chargers\" target=\"_blank\" rel=\"noopener\">B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n<\/a> (Truy c\u1eadp ng\u00e0y: 24 th\u00e1ng 8 n\u0103m 2026)<\/li>\n    <li>C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3, ENERGY STAR \u2013 <a href=\"https:\/\/www.energystar.gov\/sites\/default\/files\/ENERGY%20STAR%20Version%201.2%20EVSE%20Final%20Specification_0.pdf\" target=\"_blank\" rel=\"noopener\">Y\u00eau c\u1ea7u ch\u01b0\u01a1ng tr\u00ecnh EVSE phi\u00ean b\u1ea3n 1.2<\/a> (Truy c\u1eadp ng\u00e0y: 24 th\u00e1ng 8 n\u0103m 2026)<\/li>\n    <li>Tesla \u2013 <a href=\"https:\/\/www.tesla.com\/support\/charging\/wall-connector\" target=\"_blank\" rel=\"noopener\">V\u00ed d\u1ee5 v\u1ec1 d\u00f2ng \u0111i\u1ec7n v\u00e0 c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u1ea7u n\u1ed1i t\u01b0\u1eddng B\u1eafc M\u1ef9<\/a> (Truy c\u1eadp ng\u00e0y: 24 th\u00e1ng 8 n\u0103m 2026)<\/li>\n    <li>Tesla \u2013 <a href=\"https:\/\/energylibrary.tesla.com\/docs\/Public\/Charging\/WallConnector\/Gen3\/Install\/3PT2\/EMEA\/en-us\/GUID-0FA6EA83-A083-4DC2-ABEA-9FBBD5A853A8.html\" target=\"_blank\" rel=\"noopener\">V\u00ed d\u1ee5 v\u1ec1 d\u00f2ng \u0111i\u1ec7n m\u1ed9t pha v\u00e0 ba pha t\u1ea1i khu v\u1ef1c EMEA<\/a> (Truy c\u1eadp ng\u00e0y: 24 th\u00e1ng 8 n\u0103m 2026)<\/li>\n    <li>\u0110\u00e0i quan s\u00e1t nhi\u00ean li\u1ec7u thay th\u1ebf ch\u00e2u \u00c2u \u2013 <a href=\"https:\/\/alternative-fuels-observatory.ec.europa.eu\/sites\/default\/files\/document-files\/2023-10\/NKL-Electric_Vehicle_Charging_-_Definitions_and_Explanation_-_january_2019.pdf\" target=\"_blank\" rel=\"noopener\">\u0110\u1ecbnh ngh\u0129a v\u00e0 gi\u1ea3i th\u00edch v\u1ec1 s\u1ea1c xe \u0111i\u1ec7n<\/a> (Truy c\u1eadp ng\u00e0y: 24 th\u00e1ng 8 n\u0103m 2026)<\/li>\n    <li>EVB \u2013 <a href=\"https:\/\/www.evb.com\/vi\/what-is-dynamic-load-balance-a-comprehensive-guide\/\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ed9ng<\/a> (Truy c\u1eadp ng\u00e0y: 24 th\u00e1ng 8 n\u0103m 2026)<\/li>\n  <\/ul>\n\n  <script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How many amps does a Level 2 EV charger use?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"In North America, Level 2 chargers commonly use configured outputs such as 16A, 24A, 32A, 40A, or 48A, while the ENERGY STAR Level 2 definition extends up to 80A. The exact current depends on the charger, circuit, vehicle, and installation.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is a 32 amp EV charger enough?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, 32A is enough for many households. At 240V it provides approximately 7.7 kW, which can restore substantial driving energy overnight. In Europe, 32A can mean approximately 7.4 kW single-phase or 22 kW three-phase, so the supply arrangement must be specified.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is a 40 amp EV charger faster than a 32 amp charger?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"At 240V, 40A can provide approximately 9.6 kW compared with about 7.7 kW at 32A. It is faster only when the vehicle can accept the additional AC power and the installation is configured to supply it.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does a 48 amp EV charger need a 60 amp breaker?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"In common North American continuous-load installations, 48A output is paired with a 60A circuit. This is not a universal international rule. A qualified electrician must follow the locally adopted code and the exact charger's installation instructions.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How many kW is a 32 amp EV charger?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"At 230V single-phase, 32A is approximately 7.4 kW. At 240V single-phase it is approximately 7.7 kW. At 400V three-phase it is approximately 22 kW. Voltage and phase arrangement must therefore be included.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How many kW is a 16 amp EV charger?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"At 230V single-phase, 16A is approximately 3.7 kW. At 400V three-phase, 16A is approximately 11 kW. Actual power may vary with supply voltage and equipment behavior.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will a higher amp charger always charge faster?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. Charging speed is limited by the lowest applicable limit, including the charger setting, circuit capacity, vehicle onboard charger, load-management system, temperature, and battery conditions.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can an EV charger automatically reduce its amps?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. A charger with dynamic load balancing can reduce current when household demand rises and increase it when capacity becomes available. The vehicle may also draw less current than the charger offers.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can two EV chargers share the same available amps?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, compatible chargers and a suitable power-management system can share a defined site current limit. The system may divide current while both cars charge and reallocate it after one vehicle finishes.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Who should determine the circuit and breaker size for an EV charger?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A qualified electrician should assess the property and design the circuit under local electrical rules, permits, utility requirements, and the charger's installation instructions. Charger amperage alone is not enough to select wiring or protection.\"\n            }\n        }\n    ]\n}<\/script>\n<\/div>\n\n\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>EVB.COM \u00b7 Author: EVB Charging Solutions Team \u00b7 Technical Review: EVB Residential Charging Engineering Team \u00b7 Updated August 2026 \u00b7 17-minute read \u00b7 EV Charger Amperage \u00b7 Home Charging \u00b7 Level 2 \u00b7 Mode 3 A home EV charger may use 12A, 16A, 24A, 32A, 40A, 48A, or even 80A, depending on the country, electrical [&hellip;]<\/p>","protected":false},"author":3,"featured_media":42311,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[407,409,416,411,415,420,422,418,419,271,408,417,410,412,414,286,421,413],"class_list":["post-42653","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-16-amp-ev-charger","tag-32-amp-ev-charger","tag-40-amp-ev-charger","tag-48-amp-ev-charger","tag-80-amp-ev-charger","tag-ampere-colonnina-di-ricarica","tag-amperes-borne-de-recharge","tag-amperes-carregador-veiculo-eletrico","tag-amperios-cargador-coche-electrico","tag-dynamic-load-balancing","tag-ev-charger-amperage","tag-ev-charger-amps-to-kw","tag-ev-charger-breaker-size","tag-ev-charging-current","tag-home-ev-charger-amps","tag-level-2-ev-charging","tag-three-phase-ev-charging","tag-wallbox-ampere"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Many Amps Does an EV Charger Use? 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